An isobar is a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
Answer:
-Neil Armstrong is famous for being the first person to set foot on the Moon. ---He was a part of the Apollo 11 spaceflight alongside Buzz Aldrin and Michael Collins.
-After finishing his initial training, he was a mission commander of Gemini 8 in 1966.
Explanation:
The answer to the missing blank above would be 'the Mongols'. The Mongols invaded Russia around 1300s, which arose to economic downfall and overall negative effect to Russia. Because of this, the Russian princes convened and fought to drive Mongols out of the country.
The correct answer is - C) places and regions.
All places and regions have their own unique traits from whatever aspect we are looking at them. The way of functioning, the culture, are determined by the geographical conditions that are found at certain place. It might be the amount of sunlight, the geostrategic position, the amount of rain, the amount of wind, is it a lowland or it's a high altitude place or region, is there rivers and how big they are, etc... All geographical factors influence the common cultures, and it is very easy to notice if you make a comparison between the cultures that are found around the Mediterranean with the ones in Scandinavia for example, and how much and what way the geographical factors are influencing the cultures.